NovAtel Application Note
APN-048 Rev 3
ALIGN Application Note
page 5 of 10
Figure 2: Heading from two receivers on separate platforms
There are two possible ways to set up this use case. One uses ALIGN’s plug and play functionality and
another requires manual receiver configuration.
Plug and Play with Wireless Data Link
3
:
1.
Configure the wireless data links for two-way communication, using the same baud rate (i.e.,
230400bps)
2.
Connect one wireless data link to an available COM port on the Master receiver.
3.
Configure the Master receiver COM port to communicate at the same baud rate as the wireless data
link using the COM command:
COM COM2 230400
4.
Connect the other wireless data link to COM2 of the Rover receiver.
5.
Initiate ALIGN from the Rover receiver by entering the following command:
ALIGNAUTOMATION ENABLE COM2 230400
6.
To access heading and relative positioning data, ALIGN logs can be logged at either the ALIGN
Master or Rover.
Manual Configuration with Wireless Data Link:
1.
Configure the wireless data links for two-way communication, using the same baud rate (i.e.,
230400bps)
2.
Connect one wireless data link to an available COM port on the Master receiver (i.e., COM2).
3.
Configure the Master receiver to output RTCA corrections at the same baud rate as the wireless
data link:
MOVINGBASESTATION ENABLE
INTERFACEMODE COM2 NOVATEL RTCA OFF
COM COM2 230400 N 8 1 N OFF ON
LOG COM2 RTCAOBS3 ONTIME 0.1
LOG COM2 RTCAREFEXT ONTIME 0.1
3
To use plug and play, the Master and Rover receivers must be running firmware versions 3.900/OEM060100RN0000 or higher.
